Abstract
The “second method” of Liapunov is used to perform a stability analysis of a mathematical model of the neuron. This analysis is based on the hypothesis that the firing of the neuron coincides with a temporary state of instability of the system, and that the initiation of all-or-none process depends on the magnitude of membrane depolarization and its first time derivative. It is found that the stability (and hence the possibility of a second firing) is restored approximately when the rate of membrane repolarization is at a maximum. This result predicts that the duration of the period of absolute refractoriness in neurons would be about 75 per cent of the spike duration, and thus shorter than the value usually obtained from experimental measurements.
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Roberge, F.A. Stability analysis of a mathematical neuron model. Bulletin of Mathematical Biophysics 29, 217–226 (1967). https://doi.org/10.1007/BF02476895
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DOI: https://doi.org/10.1007/BF02476895